"Our team needs to be treated with respect as it wants to prepare with a fixed calendar like all the other Top 14 sides."

Castres are currently fifth in the Top 14 and in the thick of the battle to secure a top six finish and play-off berth.

The LNR wants to rearrange the postponed fixture - and Racing's clash with Montpellier, which was also called off - but the FFR disagrees, which has left an impasse with the four teams unsure when or if those matches will be played.